import re
import json
from typing import Optional, Union

from multi_swe_bench.harness.image import Config, File, Image
from multi_swe_bench.harness.instance import Instance, TestResult
from multi_swe_bench.harness.pull_request import PullRequest


class ImageDefault(Image):
    def __init__(self, pr: PullRequest, config: Config):
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    @property
    def config(self) -> Config:
        return self._config

    def dependency(self) -> str:
        return "ubuntu:latest"

    def image_prefix(self) -> str:
        return "envagent"

    def image_tag(self) -> str:
        return f"pr-{self.pr.number}"

    def workdir(self) -> str:
        return f"pr-{self.pr.number}"

    def files(self) -> list[File]:
        return [
            File(
                ".",
                "fix.patch",
                f"{self.pr.fix_patch}",
            ),
            File(
                ".",
                "test.patch",
                f"{self.pr.test_patch}",
            ),
            File(
                ".",
                "prepare.sh",
                """apt-get update
###ACTION_DELIMITER###
apt-get install -y python3 python3-pip python3-venv build-essential
###ACTION_DELIMITER###
python3 -m venv venv
###ACTION_DELIMITER###
source venv/bin/activate
###ACTION_DELIMITER###
pip install -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
git submodule update --init
###ACTION_DELIMITER###
sed -i 's/git:\/\/github.com/https:\/\/github.com/g' .gitmodules
###ACTION_DELIMITER###
git submodule update --init
###ACTION_DELIMITER###
git submodule sync && git submodule update --init
###ACTION_DELIMITER###
pip install -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
apt-get install -y python3.12-dev libssl-dev
###ACTION_DELIMITER###
source venv/bin/activate && pip install --upgrade pip setuptools && pip install --no-cache-dir --no-build-isolation -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
apt-get install -y python3.10 python3.10-dev python3.10-venv && python3.10 -m venv venv310 && source venv310/bin/activate && pip install --upgrade pip setuptools && pip install --no-cache-dir -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
apt-get update && apt-get install -y software-properties-common && add-apt-repository ppa:deadsnakes/ppa -y && apt-get update && apt-get install -y python3.10 python3.10-dev python3.10-venv && python3.10 -m venv venv310 && source venv310/bin/activate && pip install --upgrade pip setuptools && pip install --no-cache-dir -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
source venv310/bin/activate && pip install --upgrade setuptools wheel && pip install --no-cache-dir --no-build-isolation -e .
###ACTION_DELIMITER###
source venv310/bin/activate && export AIOHTTP_NO_EXTENSIONS=1 && rm -rf aiohttp.egg-info && pip install --no-cache-dir -r requirements/base.txt -r requirements/test.txt -e .
###ACTION_DELIMITER###
source venv310/bin/activate && apt-get install -y libffi-dev && pip install --no-cache-dir -r requirements/base.txt -r requirements/test.txt .
###ACTION_DELIMITER###
echo 'source venv310/bin/activate && pytest -v tests/' > test_commands.sh
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
source venv310/bin/activate && pip install --upgrade pytest
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
source venv310/bin/activate && pip install --upgrade pytest-cov
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
source venv310/bin/activate && pip install 'setuptools<81.0.0'
###ACTION_DELIMITER###
source venv310/bin/activate && pip install --force-reinstall -e .
###ACTION_DELIMITER###
source venv310/bin/activate && pip install --no-cache-dir .
###ACTION_DELIMITER###
source venv310/bin/activate && python -c 'from aiohttp.test_utils import loop_context; print("Import successful")'
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
echo 'source venv310/bin/activate && pytest -v -W ignore::UserWarning:pkg_resources tests/' > test_commands.sh
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
echo 'source venv310/bin/activate && export PYTHONWARNINGS="ignore::UserWarning:pkg_resources" && pytest -v tests/' > test_commands.sh
###ACTION_DELIMITER###
echo 'source venv310/bin/activate && python -W ignore::UserWarning:pkg_resources -m pytest -v tests/' > test_commands.sh
###ACTION_DELIMITER###
bash test_commands.sh
###ACTION_DELIMITER###
source venv310/bin/activate && pip install 'setuptools<81.0.0' && bash test_commands.sh
###ACTION_DELIMITER###
source venv310/bin/activate && pip uninstall -y gunicorn && bash test_commands.sh""",
            ),
            File(
                ".",
                "run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
source venv310/bin/activate && python -W ignore::UserWarning:pkg_resources -m pytest -v tests/

""".format(pr=self.pr),
            ),
            File(
                ".",
                "test-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn /home/test.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
source venv310/bin/activate && python -W ignore::UserWarning:pkg_resources -m pytest -v tests/

""".format(pr=self.pr),
            ),
            File(
                ".",
                "fix-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn  /home/test.patch /home/fix.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
source venv310/bin/activate && python -W ignore::UserWarning:pkg_resources -m pytest -v tests/

""".format(pr=self.pr),
            ),
        ]

    def dockerfile(self) -> str:
        copy_commands = ""
        for file in self.files():
            copy_commands += f"COPY {file.name} /home/\n"

        dockerfile_content = """
# This is a template for creating a Dockerfile to test patches
# LLM should fill in the appropriate values based on the context

# Choose an appropriate base image based on the project's requirements - replace ubuntu:latest with actual base image
# For example: FROM ubuntu:**, FROM python:**, FROM node:**, FROM centos:**, etc.
FROM ubuntu:latest

## Set noninteractive
ENV DEBIAN_FRONTEND=noninteractive

# Install basic requirements
# For example: RUN apt-get update && apt-get install -y git
# For example: RUN yum install -y git
# For example: RUN apk add --no-cache git
RUN apt-get update && apt-get install -y git

# Ensure bash is available
RUN if [ ! -f /bin/bash ]; then         if command -v apk >/dev/null 2>&1; then             apk add --no-cache bash;         elif command -v apt-get >/dev/null 2>&1; then             apt-get update && apt-get install -y bash;         elif command -v yum >/dev/null 2>&1; then             yum install -y bash;         else             exit 1;         fi     fi

WORKDIR /home/
COPY fix.patch /home/
COPY test.patch /home/
RUN git clone https://github.com/aio-libs/aiohttp.git /home/aiohttp

WORKDIR /home/aiohttp
RUN git reset --hard
RUN git checkout {pr.base.sha}
"""
        dockerfile_content += f"""
{copy_commands}
"""
        return dockerfile_content.format(pr=self.pr)


@Instance.register("aio-libs", "aiohttp_5731_to_5298")
class AIOHTTP_5731_TO_5298(Instance):
    def __init__(self, pr: PullRequest, config: Config, *args, **kwargs):
        super().__init__()
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    def dependency(self) -> Optional[Image]:
        return ImageDefault(self.pr, self._config)

    def run(self, run_cmd: str = "") -> str:
        if run_cmd:
            return run_cmd

        return "bash /home/run.sh"

    def test_patch_run(self, test_patch_run_cmd: str = "") -> str:
        if test_patch_run_cmd:
            return test_patch_run_cmd

        return "bash /home/test-run.sh"

    def fix_patch_run(self, fix_patch_run_cmd: str = "") -> str:
        if fix_patch_run_cmd:
            return fix_patch_run_cmd

        return "bash /home/fix-run.sh"

    def parse_log(self, log: str) -> TestResult:
        # Parse the log content and extract test execution results.
        passed_tests = set()  # Tests that passed successfully
        failed_tests = set()  # Tests that failed
        skipped_tests = set()  # Tests that were skipped
        import re

        # Regex pattern to match test lines with status (simplified)
        pattern = re.compile(
            r"^(tests/[^:]+::[^ ]+)\s+(PASSED|FAILED|ERROR|SKIPPED|XFAILED)\s+\[\s*\d+%\]|^(FAILED|ERROR|SKIPPED|XFAILED)\s+(tests/[^:]+::[^ ]+)\s+-",
            re.MULTILINE,
        )
        test_status = {}
        for match in pattern.finditer(log):
            # Handle both test_name first and status first patterns
            if match.group(1) is not None:
                test_name = match.group(1).strip()
                status = match.group(2).strip()
            else:
                test_name = match.group(4).strip()
                status = match.group(3).strip()
            # Update with the latest status for the test
            test_status[test_name] = status
        # Map final statuses to the appropriate sets
        for test_name, status in test_status.items():
            if status == "PASSED":
                passed_tests.add(test_name)
            elif status in ("FAILED", "ERROR"):
                failed_tests.add(test_name)
            elif status in ("SKIPPED", "XFAIL", "XFAILED"):
                skipped_tests.add(test_name)
        parsed_results = {
            "passed_tests": passed_tests,
            "failed_tests": failed_tests,
            "skipped_tests": skipped_tests,
        }

        return TestResult(
            passed_count=len(passed_tests),
            failed_count=len(failed_tests),
            skipped_count=len(skipped_tests),
            passed_tests=passed_tests,
            failed_tests=failed_tests,
            skipped_tests=skipped_tests,
        )
